Serologic Immunity to Hepatitis A and B in US Adults and High-Risk Populations
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The authors aimed to estimate the prevalence and factors associated with serologic immunity to hepatitis A (HAV) and hepatitis B (HBV) among US adults, particularly in high-risk populations. The study found that overall immunity levels were suboptimal, with 39.5% for HAV and 27.1% for HBV, highlighting significant gaps in protection, especially among high-risk groups. These results underscore the need for targeted vaccination strategies to improve immunity against these viral infections.
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